Accessory Structure 1 : A small detached structure that is incidental and subordinate to the principal structure. Under the National Flood Insurance Program, accessory structures are defined as appurtenant structures
W. Louis Sidell, Jr., CFM, State Coordinator, Brigitte Ndikum-Nyada, Maine Floodplain Management Handbook, Appendix O, Glossary, Planner, State Planning Office, Maine, USA 2007. http://www.maine.gov/doc/commissioner/flood/docs/h andbook07/28-dix%20O-glossary.pdf, (ND/ Flood - Amer) {507}